Evaluating and Solving a Tabular Function

Using the table,
ⓐ Evaluate $g\left(3\right).$
ⓑ Solve $g\left(n\right)=6.$

$$\begin{array}{cccccc}n& \text{1}& \text{2}& \text{3}& \text{4}& \text{5}\\ g\left(n\right)& \text{8}& \text{6}& \text{7}& \text{6}& \text{8}\end{array}$$

OpenStax, Algebra and Trigonometry 2e · §3.1 Functions and Function Notation · Example 10